Format examples

Also format lib for easier merging.

Author: TimTheBig

examples/A_right_triangle.rs

@@ -1,20 +1,23 @@
 //! Scene A: Demonstrate a right_triangle(width=2, height=1)
 
 use csgrs::CSG;
-use std::fs;
 use nalgebra::{Point3, Vector3};
+use std::fs;
 
 fn main() {
     let tri_2d = CSG::right_triangle(2.0, 1.0, None);
     // A tiny arrow pointing from the right-angle corner outward:
     let arrow = CSG::arrow(
         Point3::new(0.0, 0.0, 0.1), // at corner
-        Vector3::new(0.5, 0.0, 0.0), 
+        Vector3::new(0.5, 0.0, 0.0),
         8,
         true,
         None::<()>,
     )
     .scale(0.05, 0.05, 0.05);
     let scene = tri_2d.extrude(0.1).union(&arrow);
-    let _ = fs::write("stl/scene_right_triangle.stl", scene.to_stl_ascii("scene_right_triangle"));
+    let _ = fs::write(
+        "stl/scene_right_triangle.stl",
+        scene.to_stl_ascii("scene_right_triangle"),
+    );
 }

examples/B_extrude_vector.rs

@@ -1,12 +1,15 @@
 //! Scene B: Demonstrate extrude_vector(direction)
 
 use csgrs::CSG;
-use std::fs;
 use nalgebra::Vector3;
+use std::fs;
 
 fn main() {
     let circle2d = CSG::<()>::circle(1.0, 32, None);
     // extrude along an arbitrary vector
     let extruded_along_vec = circle2d.extrude_vector(Vector3::new(0.0, 0.0, 2.0));
-    let _ = fs::write("stl/scene_extrude_vector.stl", extruded_along_vec.to_stl_ascii("scene_extrude_vector"));
+    let _ = fs::write(
+        "stl/scene_extrude_vector.stl",
+        extruded_along_vec.to_stl_ascii("scene_extrude_vector"),
+    );
 }

examples/E_center.rs

@@ -4,8 +4,16 @@ use csgrs::CSG;
 use std::fs;
 
 fn main() {
-    let off_center_circle = CSG::<()>::circle(1.0, 32, None).translate(5.0, 2.0, 0.0).extrude(0.1);
+    let off_center_circle = CSG::<()>::circle(1.0, 32, None)
+        .translate(5.0, 2.0, 0.0)
+        .extrude(0.1);
     let centered_circle = off_center_circle.center();
-    let _ = fs::write("stl/scene_circle_off_center.stl", off_center_circle.to_stl_ascii("scene_circle_off_center"));
-    let _ = fs::write("stl/scene_circle_centered.stl", centered_circle.to_stl_ascii("scene_circle_centered"));
+    let _ = fs::write(
+        "stl/scene_circle_off_center.stl",
+        off_center_circle.to_stl_ascii("scene_circle_off_center"),
+    );
+    let _ = fs::write(
+        "stl/scene_circle_centered.stl",
+        centered_circle.to_stl_ascii("scene_circle_centered"),
+    );
 }

examples/F_float.rs

@@ -6,6 +6,12 @@ use std::fs;
 fn main() {
     let sphere_for_float = CSG::<()>::sphere(1.0, 16, 8, None).translate(0.0, 0.0, -1.5);
     let floated = sphere_for_float.float();
-    let _ = fs::write("stl/scene_sphere_before_float.stl", sphere_for_float.to_stl_ascii("scene_sphere_before_float"));
-    let _ = fs::write("stl/scene_sphere_floated.stl", floated.to_stl_ascii("scene_sphere_floated"));
+    let _ = fs::write(
+        "stl/scene_sphere_before_float.stl",
+        sphere_for_float.to_stl_ascii("scene_sphere_before_float"),
+    );
+    let _ = fs::write(
+        "stl/scene_sphere_floated.stl",
+        floated.to_stl_ascii("scene_sphere_floated"),
+    );
 }

examples/G_inverse.rs

@@ -9,5 +9,8 @@ fn main() {
     // Hard to visualize in STL, but let's do it anyway
     let inv_sphere = sphere.inverse();
     #[cfg(feature = "stl-io")]
-    let _ = fs::write("stl/scene_inverse_sphere.stl", inv_sphere.to_stl_binary("scene_inverse_sphere").unwrap());
+    let _ = fs::write(
+        "stl/scene_inverse_sphere.stl",
+        inv_sphere.to_stl_binary("scene_inverse_sphere").unwrap(),
+    );
 }

examples/H_tessellate.rs

@@ -8,5 +8,8 @@ fn main() {
 
     let tri_sphere = sphere.tessellate();
     #[cfg(feature = "stl-io")]
-    let _ = fs::write("stl/scene_tessellate_sphere.stl", tri_sphere.to_stl_binary("scene_tessellate_sphere").unwrap());
+    let _ = fs::write(
+        "stl/scene_tessellate_sphere.stl",
+        tri_sphere.to_stl_binary("scene_tessellate_sphere").unwrap(),
+    );
 }

examples/I_slice.rs

@@ -1,15 +1,18 @@
 //! Scene I: Demonstrate slice(plane) – slice a cube at z=0
 
 use csgrs::{CSG, Plane};
-use std::fs;
 use nalgebra::Vector3;
+use std::fs;
 
 fn main() {
     let cube = CSG::<()>::cube(2.0, 2.0, 2.0, None);
 
-    let plane_z = Plane::from_normal(Vector3::z(), 0.5 );
+    let plane_z = Plane::from_normal(Vector3::z(), 0.5);
     let sliced_polygons = cube.slice(plane_z);
     let _ = fs::write("stl/scene_sliced_cube.stl", cube.to_stl_ascii("sliced_cube"));
     // Save cross-section as well
-    let _ = fs::write("stl/scene_sliced_cube_section.stl", sliced_polygons.to_stl_ascii("sliced_cube_section"));
+    let _ = fs::write(
+        "stl/scene_sliced_cube_section.stl",
+        sliced_polygons.to_stl_ascii("sliced_cube_section"),
+    );
 }

examples/J_vertices.rs

@@ -8,5 +8,10 @@ fn main() {
     let verts = circle_extruded.vertices();
     println!("Scene J circle_extruded has {} vertices", verts.len());
     // We'll still save an STL so there's a visual
-    let _ = fs::write("stl/scene_j_circle_extruded.stl", circle_extruded.to_stl_binary("scene_j_circle_extruded").unwrap());
+    let _ = fs::write(
+        "stl/scene_j_circle_extruded.stl",
+        circle_extruded
+            .to_stl_binary("scene_j_circle_extruded")
+            .unwrap(),
+    );
 }

examples/K_reuleaux_polygon.rs

@@ -6,5 +6,8 @@ use std::fs;
 
 fn main() {
     let reuleaux_tri = CSG::<()>::reuleaux(3, 2.0, 16, None).extrude(0.1);
-    let _ = fs::write("stl/scene_reuleaux_triangle.stl", reuleaux_tri.to_stl_ascii("scene_reuleaux_triangle"));
+    let _ = fs::write(
+        "stl/scene_reuleaux_triangle.stl",
+        reuleaux_tri.to_stl_ascii("scene_reuleaux_triangle"),
+    );
 }

examples/L_rotate_extrude.rs

@@ -6,5 +6,8 @@ use std::fs;
 fn main() {
     let small_square = CSG::<()>::square(1.0, 1.0, None).translate(2.0, 0.0, 0.0);
     let revolve = small_square.rotate_extrude(360.0, 24);
-    let _ = fs::write("stl/scene_square_revolve_360.stl", revolve.to_stl_ascii("scene_square_revolve_360"));
+    let _ = fs::write(
+        "stl/scene_square_revolve_360.stl",
+        revolve.to_stl_ascii("scene_square_revolve_360"),
+    );
 }